Louis Rothschild may refer to: Louis Nathaniel de Rothschild (1882–1955), Austrian baron Louis F. Rothschild (1869–1957), American investment banker and founder of investment banking firm L.F. Rothschild Georges Mandel (1885–1944), French journalist, politician, and French Resistance leader, born Louis George Rothschild Louis S. Rothschild (1900–1984), American investment banker